While the future role of autonomous power supply systems is likely to expand, the total contribution to agricultural mechanization energy is likely to be of modest proportion. In other words, farms of the future will depend primarily on a purchased energy supply (i.e. diesel fuel or renewable substitute/extender, and electricity) to which autonomous power may make a valuable but small contribution to those farmers who wish to pursue the available options.
Total farmland more than doubled between 1870 and 1920. Since average farm size stayed roughly constant, total farm employment must have nearly doubled as well. The agricultural work force, far from being displaced, was redeployed within agriculture, along with large numbers of immigrants. Mechanization did not produce higher yields, however; they came later and were linked to fertilizers and biological innovations.

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While the future role of autonomous power supply systems is likely to expand, the total contribution to agricultural mechanization energy is likely to be of modest proportion. In other words, farms of the future will depend primarily on a purchased energy supply (i.e. diesel fuel or renewable substitute/extender, and electricity) to which autonomous power may make a valuable but small contribution to those farmers who wish to pursue the available options.
Total farmland more than doubled between 1870 and 1920. Since average farm size stayed roughly constant, total farm employment must have nearly doubled as well. The agricultural work force, far from being displaced, was redeployed within agriculture, along with large numbers of immigrants. Mechanization did not produce higher yields, however; they came later and were linked to fertilizers and biological innovations.

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